Crowdsourced spamming dataset
questino_url in the dataset is recorded as a bunch of digit number, the full url can by constucted as
https://zhidao.baidu.com/question/<question_url>,
For example:
https://zhidao.baidu.com/question/213342995

Baidu_Answer(split to 4 part): answer-question data; 
Baidu_Question: question data; 
Baidu_Relative_Question: question pairs that are relative; 
Baidu_User: user(include askers and answerers) information; 
Baidu_Normal_Question: normal questions, i.e. questions that are not spam; 
ZhuBaJie_Task: paid tasks that published in www.zbj.com, spammers can complete the task and get paid by publishing spam content in Q&A community.
